From 86f07de236f55cc4fd82e67fcba6b8742ce9f875 Mon Sep 17 00:00:00 2001
From: Vitor Mattos <vitor@php.rio>
Date: Sun, 13 Nov 2022 22:38:25 -0300
Subject: [PATCH] Redirect stderr to stdout and prevent display error

https://stackoverflow.com/questions/818255/what-does-21-mean
---
 src/Sign/JSignService.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Sign/JSignService.php b/src/Sign/JSignService.php
index 43bc3c1..4bf0bd8 100644
--- a/src/Sign/JSignService.php
+++ b/src/Sign/JSignService.php
@@ -60,7 +60,7 @@ public function getVersion(JSignParam $params)
         }
         $this->throwIf(!file_exists($jSignPdf), 'Jar of JSignPDF not found on path: '. $jSignPdf);
 
-        $command = "$java -jar $jSignPdf --version";
+        $command = "$java -jar $jSignPdf --version 2>&1";
         \exec($command, $output);
         if (empty($output) || strpos($output[0], 'version') === false) {
             return '';